Ocean warming News

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A nature-based coastal defense and flood-control project in Pamarawan barangay, in Malolos City, in the Philippine province of Bulacan, on Sept. 28, 2026. Image by Oliver Samson for Mongabay.

Philippine village uses nature to defend against floods with bamboo, shells and husks

Oliver Samson 30 Oct 2026

Fishers in eastern Indonesia struggle as rough seas keep them ashore

Basten Gokkon 29 Oct 2026
Lobe coral (Porites lobata).

Corals keep a record of pollution, pointing to a new monitoring method: Study

Edward Carver 26 Oct 2026
Ellesmere Island is home to one of the most northerly populations of polar bears (Ursus maritimus) in the world. Image by Arturo de Frias Marques via Wikimedia Commons (CC BY-SA 4.0).

Loss of a rare lake reveals how warming has hit the Canadian Arctic’s ‘planetary fridge’

Ruth Kamnitzer 19 Oct 2026
People gather to watch a trapped shark called Bukangi at the North Port Waterfront Park in Busan, South Korea, on Sept. 29, 2026. Image by AP Photos/Son Hyung-joo/Yonhap.

Celebrity shark trapped in South Korean canal stirs concerns over warming seas

Kelly Kasulis-Cho 16 Oct 2026
Vehicles navigate a flooded road in Mozambique’s Maputo province in January 2026. Forecasters warn that the developing El Niño could bring heavier rainfall and flooding to parts of East and Southern Africa. Image by AP Photo.

Act before El Niño: Expert worries about deepening hunger in East and South Africa

David Akana 14 Oct 2026

Tokyo records historic 35-day rain streak driven by El Niño and stalled fronts

Naina Rao 30 Sep 2026
A humpback whale back surrounded by murres and other seabirds off the coast of Alaska, with a fishing vessel in background. As warm waters reduced offshore krill, whales moved closer to the coast, where crab fishers set their traps and cast their nets, leading to a spike in whale entanglements.

New global maps chart 40 years of ocean heat and acidification extremes

María Paula Rubiano A. 29 Sep 2026
Various fish including bigscale soldierfish (Myripristis berndti), Moorish idols (Zanclus cornutus), and a masked angelfish (Genicanthus personatus) swim in a small outcropping of coral on a reef in Papahānaumokuākea Marine National Monument, Hawai’i, in 2017.

Global coral reefs get less time to recover as oceans heat up, report finds

Keith Anthony Fabro 25 Sep 2026
Galapagos penguin swimming in sea

Global ocean breaks records with 100 days of heat as El Niño adds new threat

Elizabeth Claire Alberts 18 Sep 2026
Saltpans in Walvis Bay, Namibia. Image courtesy by David Stanley via Flickr (CC BY-NC-SA 2.0).

Namibia greenlights controversial project to dredge phosphate from seabed

Jemima Beukes 1 Sep 2026
Loyiso Dunga working to map indigenous community cultural connections in the Wild Coast, South Africa. Image courtesy of Loyiso Dunga.

‘You can’t protect what you don’t know:’ Interview with marine scientist Loyiso Dunga

Alexandra Talty 31 Aug 2026

US environmental groups plan to sue to relist gray whales under Endangered Species Act

David Brown 27 Aug 2026
A sponge crab (Sphaerodromia brizops) collected at the Muirfield Seamount, southwest of the Cocos (Keeling) Islands.

Scientists discover 149 new deep-sea species at remote Indian Ocean seamounts

Emma Smith 26 Aug 2026

El Niño is disrupting the Pacific’s marine food web from the bottom up

Naina Rao 26 Aug 2026

Art and science must come together for coral reef conservation, biologists argue

David Brown 21 Aug 2026

Climate change drove extreme July heat in European seas, study finds

Naina Rao 20 Aug 2026
Green sea turtle swimming in the waters of the Great Barrier Reef. Image by ©Commonwealth of Australia (Reef Authority), photographer J. Sumerling. CC BY 4.0.

On the Great Barrier Reef, management by Traditional Owners is growing

Cat Williams 18 Aug 2026

Winners of the annual Mangrove Photography Awards: See the photos

Bobby Bascomb 24 Jul 2026

Gray whales are suffering catastrophic population decline in the Pacific Ocean

David Brown 16 Jul 2026
A view of Ngor Bay in Dakar, Senegal. Image by Jeff Attaway via Flickr (CC BY 2.0).

What will Africa’s story on ocean governance be? Interview with David Willima

Victoria Schneider 13 Jul 2026
Community members collect plastic waste during a beach cleanup organized by COMRED on Kenya’s coast. Image courtesy of COMRED.

‘The only possible transition is a just transition’: Interview with WEF’s Clemence Schmid

Jackson Ambole Okata 7 Jul 2026
A leafy sea dragon among seagrass in South Australia. Image by Jayne Jenkins / Ocean Image Bank

Australia’s seagrass meadows under pressure as climate change turns up the heat

Sean Mowbray 3 Jul 2026

A marine heat wave caused seabird deaths off California. El Nino could worsen the die-off

Associated Press 1 Jul 2026
A Florida panther.

Wildlife’s unpredictable movements make climate-change planning difficult

Gloria Dickie 1 Jul 2026
Mangroves along Kenya’s Indian Ocean coast. Image by Malavika Vyawahare/Mongabay.

Our Ocean Conference in Kenya ends with $6.4 billion in pledges, review of past promises

Malavika Vyawahare 26 Jun 2026

Not all coral reefs are doomed as a result of climate change, study suggests

Elodie Toto 25 Jun 2026
A mangrove-rich coastal landscape in Tanzania. Protecting and restoring mangrove ecosystems is a cornerstone of community-led marine conservation efforts across East Africa. Photo courtesy of Mwambao Coastal Community Network.

Africa’s community-led marine organizations on which 30×30 depends

David Akana 17 Jun 2026

Lawmakers fight to stop the Trump administration’s dismantling of a $386M ocean observatory project

Associated Press 15 Jun 2026
A dead dusky morwong (Dactylophora nigricans) lies on a bed of seaweed at the water’s edge.

A year on, Australia’s biggest harmful algal bloom continues to wreak havoc

Nick Rodway 8 Jun 2026
Giant soft coral in South Korea

‘Slumping’ afflicted soft corals around a South Korean island in 2024. Will it return this year?

Elizabeth Claire Alberts 8 Jun 2026

Scientists warn of climate blind spot as U.S. dismantles ocean sensors

Naina Rao 4 Jun 2026

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